Secularisation
The long-term decline in religious belief, practice, and influence in society as rationalisation, science, and modernisation increase.
Real World
In England and Wales, the 2021 Census showed that 'no religion' became the most common response (37%) for the first time, overtaking Christianity, illustrating measurable institutional secularisation.
Exam Focus
Always specify which dimension of secularisation you mean — belief, practice, or institutional power — as conflating them loses marks.
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